FreeBSD 11 Stable on a Xen :: bridge0 crashing server
doctor at doctor.nl2k.ab.ca
Fri Jan 20 16:43:51 UTC 2017
On Fri, Jan 20, 2017 at 07:20:15PM +0300, Andrey V. Elsukov wrote:
> On 20.01.2017 18:57, Trond Endrest??l wrote:
> >> Here is the situation:
> >> I have a VPS server from a well reputed provider (and they deserve the
> >> reputation), running FreeBSD 11 stable x64 under Xen Full Virtualization
> >> (HVM). I have the xn0 interface which is working fine. I intend to use VIMAGE,
> >> so I compiled the kernel, added cloned_interface="bridge0" and restarted the
> >> server. But as soon as I am attaching the xn0 to bridge0, the kernel is
> >> panicking and the server restarting.
> >> Any suggestion/pointer/test-instruction is highly appreciated.
> > The code crashes at line 427 of sys/netinet/if_ether.c:
> > ARPSTAT_INC(txrequests);
> > See
> > https://svnweb.freebsd.org/base/stable/11/sys/netinet/if_ether.c?view=annotate#l427
> > stable/11 has problems accounting the outgoing octets of any xn
> > interface, although this isn't connected to your case.
> > Just to rule out any uncertainty, try this patch:
> > https://svnweb.freebsd.org/base?view=revision&revision=308126
> > See PR 213439,
> > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213439
> > Note, I'm not a developer nor a committer, just a humble sysadmin.
> This problem is unrelated. ARP statistics is global and isn't related to
> some specific interface. IMHO, the kernel panics due to missing VNET
> context. As I see from the code in sys/dev/xen, it is not capable with
> WBR, Andrey V. Elsukov
Still we need to address this issue!
Even here in FreeBSD-11 stable I see crashing
of the bhyve.
What I need to help you is what is needed for running gdb ../bhyve ../bhyve.core
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